1. contaminated or made toxic with poison; poisoned
Usage: often used in literary or formal contexts

1. past tense and past participle of empoison; to poison or contaminate
Usage: archaic or literary usage; empoison is less common than poison in modern English

Examples

• The well was empoisoned by industrial waste.
• She drank from the empoisoned chalice without knowing the danger.
• The scandal empoisoned the company's reputation for years.
• Medieval legends told of empoisoned arrows used in battle.
• His words empoisoned the friendship between the two families.
• The empoisoned food was discovered before anyone ate it.